27
06:18 - 19:27 (6:18 am - 7:27 pm) CDT
n + 18 = 27 subtract 18 to 18 and 27 18-27=9 n = 9
9,18,27,36,45,54
18 out of 27 is 66.67%.
27-18=9.
18:27 (6:27 pm) CDT
examples are....a+18=27=a+18-18=27-18=9
1.5
18 divided 27 = 0.6666666666666666
18/27 = 2/3
18 + 27 = 45